/*
 * Copyright (C) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type { PubSubSupport } from '../interface/PubSubSupport'
import HashMap from '@ohos.util.HashMap';

export class BusRuntime {
    private provider: PubSubSupport<Object>;
    private properties: HashMap<string, Object>;

    constructor(provider: PubSubSupport<Object>) {
        this.provider = provider;
        this.properties = new HashMap();
    }

    public get(key: string) {
        if (!this.properties.hasKey(key)) {
            throw new Error('The property ' + key + ' is not available in this runtime');
        }
        return this.properties.get(key);
    }

    public getProvider(): PubSubSupport<Object> {
        return this.provider;
    }

    public getKeys(): IterableIterator<string> {
        return this.properties.keys();
    }
}